B01D 46/2478
Structures comprising honeycomb segments
Official title: {Structures comprising honeycomb segments}
B01D46/2478 (Structures comprising honeycomb segments) appears on 237 US grants and 297 published applications in this corpus.
Search patents in B01D- Granted patents
- 237
- Published applications
- 297
- Assignees
- 48
- Inventors
- 281
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 12 |
| 2005 | 0 | 16 |
| 2006 | 9 | 25 |
| 2007 | 5 | 21 |
| 2008 | 16 | 33 |
| 2009 | 14 | 41 |
| 2010 | 21 | 21 |
| 2011 | 35 | 22 |
| 2012 | 29 | 13 |
| 2013 | 10 | 3 |
| 2014 | 9 | 14 |
| 2015 | 12 | 20 |
| 2016 | 9 | 4 |
| 2017 | 12 | 14 |
| 2018 | 10 | 12 |
| 2019 | 6 | 5 |
| 2020 | 11 | 8 |
| 2021 | 6 | 4 |
| 2022 | 5 | 1 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic honeycomb structure and its production method17 Feb 2026US 12,552,723 B2Proterial, Ltd.
- Filter and method for manufacturing same20 May 2025US 12,305,551 B2NGK Insulators, Ltd.
- Method for producing honeycomb structure20 Feb 2024US 11,904,264 B2NGK Insulators, Ltd.
- Activated carbon air filter7 Nov 2023US 11,806,654 B2Focus Universal Inc.
- Joining material and silicon carbide based honeycomb structure26 Sep 2023US 11,767,270 B2NGK Insulators, Ltd.
- Filter and method for manufacturing same10 Sep 2026US 2026/0263982 A1NGK Insulators, Ltd.
- Silicon carbide honeycomb filter5 Jun 2025US 2025/0177900 A1Proterial, Ltd.
- Silicon carbide honeycomb filter29 May 2025US 2025/0170513 A1Proterial, Ltd.
- Ceramic honeycomb structure and its production method7 Nov 2024US 2024/0368042 A1Proterial, Ltd.
- Activated carbon air filter2 Mar 2023US 2023/0067514 A1Focus Universal Inc.
Most cited
By later US patents
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Honeycomb filter and ceramic filter assembly88US 7,112,233 B2Ibiden Co., Ltd. · 2006
- Particulate trap for diesel engine61US 5,709,722 ASumitomo Electric Industries, Ltd. · 1998
- Honeycomb segment58US 7,858,169 B2NGK Insulators, Ltd. · 2010
- Honeycomb filter and ceramic filter assembly55US 7,427,309 B2Ibiden Co., Ltd. · 2008